Here you will find complete information about websites and portals where you can find FREE GIS, Remote Sensing, spatial and hydrology data as a service, also tons of interesting articles, tutorials and reviews about GIS, Remote Sensing and Spatial Hydrology data and data warehouses where you can download spatial data FREE with a minimum effort. For an example where you can directly download FREE spatial data which are been catalogued by Global, Regional, Continent, Country and river basin wise.

18 February 2011

This amazing FREE GIS data portal is hosted by the University of Wisconsin - Madison. The objective of this site is to gather and deliver as much information about the environment as possible. The Data and Maps sections contain “ready-to-download” geographically explicit data broken down into four general categories: Humans, Land Use, Ecosystems, and Water Resources. The Schematics section looks at the various resource flows and pools that make up individual Earth systems.

Mapping the BiosphereIn this section of the website you will find maps of environmental variables. Feel free to download anything and everything. If you use anything from the Atlas in a publication, please credit the Center for Sustainability and the Global Environment (SAGE) at the University of Wisconsin-Madison.

Data available under following categories for FREE DOWNLOAD (in GIS ESRI ArcView Format)

Human Impacts (Population, Life Expectancy, Literacy Rates, Built-Up Land, Infant Mortality Rate, Per Capita Oil Usage, Population (1995), Population Density (1995), Population Doubling Time, Population Growth Rate and Population Under Age 15

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